Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI860798Aexternal-prioritypatent/FI75977B/fi
Priority claimed from FI870120Aexternal-prioritypatent/FI77358C/sv
Application filed by BestafiledCriticalBesta
Priority to FI875646ApriorityCriticalpatent/FI78225C/sv
Publication of FI875646A0publicationCriticalpatent/FI875646A0/fi
Publication of FI875646ApublicationCriticalpatent/FI875646A/fi
Publication of FI78225BpublicationCriticalpatent/FI78225B/fi
Application grantedgrantedCritical
Publication of FI78225CpublicationCriticalpatent/FI78225C/sv